THE ANNEXES OF THE FCETUS 



15 



II. 

 THE FCETUS AND ITS ANNEXES. 



1.— The Annexes of the FcEtus. 



At the moment the product of conception possesses all 

 its organs, it is termed & foetm. The foetus is surrounded by 



-^i.- 







i /«f:,r^j 



i 



: 3 



1 "iM*-^ 



- J 



Fig. 7. — Fcetal Membranes. 

 It, Amnion ; h, foetal placentse. 



its annexes, protecting it against external influences, insuring 

 nutrition and union with the mother. They are : the chorion, 

 with the placentas fcetalis ; the amnion, the allantois, or so-called 

 fcetal urinary bladder ; the umbilical vesicle and" the umbilical 



